2021 Audi A6 Saloon

2.0 TDI 40 Black Edition S tronic 4WD Euro 6 (s/s) 4dr (201 bhp)

£21,750

Fair price: within 8% of the typical £21,813 for this model, age and mileage, drawing on 858 adverts of this make and model.

Overview

Make: Audi
Model: A6 Saloon
Trim: BLACK EDITION
Version: 2.0 TDI 40 Black Edition S tronic 4WD Euro 6 (s/s) 4dr (201 bhp)
Mileage: 58,000 miles
Year: 2021
Fuel type: Diesel
Body type: Saloon
Engine: 2.0 L
Gearbox: Automatic
Power: 201 bhp
Seats: 5
CO2: 152 g/km
Colour: Grey
Doors: 4
Driven wheels: Four Wheel Drive
Gearbox version: S tronic
Engine badge: TDI
Emissions standard: Euro 6

About this car

With 58,000 miles on the clock, this 2021 Audi A6 Saloon Black Edition has done roughly 2,200 more miles than a typical 2021 Audi A6 Saloon. At £21,750, it is advertised £63 below our estimated market asking price of £21,813. The estimate uses 858 UK dealer adverts for the Audi A6 Saloon, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 70 days ago. Its asking price has since fallen by £245. That may be worth mentioning if you discuss the price with the dealer. You can find this car at Cunningham Cars in Belfast.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 August 2026, 70 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £245 from the first recorded £21,995. 1 price reduction recorded, the latest observed on 8 October 2026.

Recorded asking prices
Date observed	Asking price
12 August 2026	£21,995
8 October 2026	£21,750
20 October 2026	£21,750

Price and mileage comparison

Estimated market asking price: £21,813. The asking price is £63 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 858 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,200 miles higher than typical for a 2021 Audi A6 Saloon.

20 other cars with the same year, trim, gearbox and fuel are for sale from £14,495 to £25,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,495	114,800 miles
£17,700	83,354 miles
£17,995	87,854 miles
£18,999	77,890 miles
£19,500	72,816 miles

These cars have covered 34,000–114,800 miles, compared with 58,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide

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Dealer

Cunningham Cars, Belfast. Across the dealer network: 7 cars for sale.

Dealer postcode: BT17 0NS.